102240334442 has 8 divisors (see below), whose sum is σ = 156254096196. Its totient is φ = 50155635712.

The previous prime is 102240334403. The next prime is 102240334489. The reversal of 102240334442 is 244433042201.

It can be written as a sum of positive squares in 2 ways, for example, as 99444991801 + 2795342641 = 315349^2 + 52871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102240334442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482265623 + ... + 482265834.

Almost surely, 2^102240334442 is an apocalyptic number.

102240334442 is a deficient number, since it is larger than the sum of its proper divisors (54013761754).

102240334442 is an equidigital number, since it uses as much as digits as its factorization.

102240334442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964531512.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 102240334442 its reverse (244433042201), we get a palindrome (346673376643).

The spelling of 102240334442 in words is "one hundred two billion, two hundred forty million, three hundred thirty-four thousand, four hundred forty-two".